The Legend Horror Steve mod adds Steve and Horror Steve that Steve has 20 HP and when you defeat him you get 200 XP and Horror Steve has 66 HP and when you defeat him you get 660 XP and a block called fake emerald block was added which when you destroy it events will start and as for this dimension Horror world will be added somewhere in version 1.0.2 and The Legend Horror Steve mod adds other things
Fandom: https://the-legend-horror-steve.fandom.com/wiki/The_legend_Horror_Steve_Wiki
The Legend Horror Steve Version 1 https://www.youtube.com/watch?v=Ab4zg_7bQ7g
The Legend Horror Steve Version 1 Part 2 https://www.youtube.com/watch?v=mh0YYGC4RtE
The Legend Horror Steve Version 1.0.1 (Small Update): https://www.youtube.com/watch?v=l-3-_rQE5l0